NSN 2805-00-278-1867

Part Details | PISTON RING

2805-00-278-1867 A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes PACKING, PREFORMED; RETAINER, OIL SEAL; RETAINER, PACKING; RING, RETAINING; RING WIPER; and SEAL RING, METAL.

Alternate Parts: 3939A, 3939A, 2805-00-278-1867, 00-278-1867, 2805002781867, 002781867

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
28JAN 01, 196300-278-186711459 ( RING, PISTON )
REFERENCE DRAWINGS & PICTURES

INSIDE COUNTERBORE, STRAIGHT FACE

RING,PISTON | 2805-00-278-1867, 002781867

CONCENTRIC

RING,PISTON | 2805-00-278-1867, 002781867

VERTICAL JOINT

RING,PISTON | 2805-00-278-1867, 002781867
Cross Reference | NSN 2805-00-278-1867
Part Number Cage Code Manufacturer
3939A1ML14BRINKLEY TECHNOLOGY GROUP, LLCDBA HERCULES ENGINE COMPONENTS
3939A28265HERCULES ENGINE CO INC
Technical Data | NSN 2805-00-278-1867
Characteristic Specifications
CROSS-SECTIONAL SHAPE STYLE5 INSIDE COUNTERBORE, STRAIGHT FACE
JOINT STYLE VERTICAL JOINT
RING STYLE CONCENTRIC
RADIAL WALL THICKNESS0.1300 INCHES NOMINAL
OVERALL WIDTH0.1860 INCHES MINIMUM AND 0.1865 INCHES MAXIMUM
STANDARD BORE DIAMETER2.875 INCHES
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICSAS DIFFERENTIATED BY THE BORE DIA SIZE